Viessmann 7831456 Radial Fan 340793-762 all-copper design that prevents leaks

all-copper design that prevents leaks without the use of high-maintenance seals or gaskets

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Viessmann 7831456 Radial Fan 340793-762 all-copper design that prevents leaksThe Viessmann 7831456 Radial Fan is a high performance RG148 assembly engineered specifically for Vitodens 200 W WB2B series gas condensing boilers. As a critical component for combustion air supply and flue gas extraction, this fan ensures the necessary static pressure to maintain efficient modulation across the boiler's firing range. Designed for the WB2B 45 and WB2B 60 models, it features a brushless EC motor and a durable die cast aluminum